This paper presents a comparison between the two main philosophies that can be identified in literature to perform a coupon-size test for the determination of energy absorption of composite materials under a compression load. The study led to a new concept of corrugated specimen, easier to produce than the ones proposed in literature, and in a procedure that is not influenced by any external parameter like a complex fixture or the test operator's skills. The results of the tests are used to validate a numerical model of progressive damage for composite materials.

Development of a reliable test to support and validate a numerical model of progressive damage for composite materials

MOLINARI, GIANLUCA;TROIANI, ENRICO
2010

Abstract

This paper presents a comparison between the two main philosophies that can be identified in literature to perform a coupon-size test for the determination of energy absorption of composite materials under a compression load. The study led to a new concept of corrugated specimen, easier to produce than the ones proposed in literature, and in a procedure that is not influenced by any external parameter like a complex fixture or the test operator's skills. The results of the tests are used to validate a numerical model of progressive damage for composite materials.
Proceedings of the 2nd Aircraft Structural Design Conference
1
13
F.Garattoni; G.Molinari; E.Troiani
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11585/100775
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